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參數(shù)資料
型號(hào): TPA2012D2RTJT
廠商: TEXAS INSTRUMENTS INC
元件分類: 音頻/視頻放大
英文描述: 2.1 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC20
封裝: 4 X 4 MM, GREEN, PLASTIC, QFN-20
文件頁(yè)數(shù): 3/22頁(yè)
文件大小: 785K
代理商: TPA2012D2RTJT
APPLICATION INFORMATION
AVDD
PVDD*
Shutdown
Control
0.1 mF
SDR
SDL
PGND
AGND
INR+
INR
INL+
INL
OUTR+
OUTR
OUTL+
OUTL
1 nF
0.1 mF
DAC
G0
G1
1 mF
0.1 mF
4.7 mF
* For QFN, an additional capacitor is recomended for the second PVDD pin.
To Battery
1 nF
0.1 mF
to Battery
VDD
OUTR+
GND
INR+
300 k
C S
300 k
G0
OUTR
OUTL+
OUTL
G1
INR
INL+
INL
Gain
Adjust
PWM
Gain
Adjust
PWM
H
Bridge
H
Bridge
Internal
Oscillator
Bias
Circuitry
ShortCircuit
Protection
Right
SingleEnded
Input
CI
SDR
SDL
CI
Left
SingleEnded
Input
to Battery
VDD
OUTR+
GND
INR+
300 k
C S
300 k
G0
OUTR
OUTL+
OUTL
G1
INR
INL+
INL
Gain
Adjust
PWM
Gain
Adjust
PWM
H
Bridge
H
Bridge
Internal
Oscillator
Bias
Circuitry
ShortCircuit
Protection
Right
Differential
Input
CI
Left
Differential
Input
CI
SDR
SDL
www.ti.com .................................................................................................................................................. SLOS438D – DECEMBER 2004 – REVISED JUNE 2008
Figure 33. Typical Application Circuit
Figure 35. TPA2012D2 Application Schematic
Figure 34. TPA2012D2 Application Schematic
With Single-Ended Input
With Differential Input and Input Capacitors
Copyright 2004–2008, Texas Instruments Incorporated
11
Product Folder Link(s): TPA2012D2
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